| Port Talbot to Blue Springs (Missouri) | 4,194.46 mi (6,750.33 km) |
| Port Talbot to Bluffdale (Utah) | 4,754.15 mi (7,651.06 km) |
| Port Talbot to Bluffton (Indiana) | 3,759.21 mi (6,049.86 km) |
| Port Talbot to Bluffton (South Carolina) | 3,984.74 mi (6,412.81 km) |
| Port Talbot to Blythe (California) | 5,218.12 mi (8,397.76 km) |
| Port Talbot to Blytheville (Arkansas) | 4,173.01 mi (6,715.82 km) |
| Port Talbot to Boca Raton (Florida) | 4,237.13 mi (6,819.00 km) |
| Port Talbot to Boerne (Texas) | 4,832.83 mi (7,777.69 km) |
| Port Talbot to Bogalusa (Louisiana) | 4,425.18 mi (7,121.63 km) |
| Port Talbot to Boiling Springs (South Carolina) | 3,893.26 mi (6,265.60 km) |
| Port Talbot to Boise (Idaho) | 4,723.51 mi (7,601.76 km) |
| Port Talbot to Bolingbrook (Illinois) | 3,830.78 mi (6,165.04 km) |
| Port Talbot to Bolivar (Missouri) | 4,229.92 mi (6,807.39 km) |
| Port Talbot to Bon Air (Virginia) | 3,596.54 mi (5,788.08 km) |
| Port Talbot to Bonham (Texas) | 4,537.75 mi (7,302.81 km) |
